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stammer.ai website review
Visit site (opens in a new tab)Reviewed 10 November 202633 issues · 80 checks
This review found 33 issues worth fixing on stammer.ai, 10 of them high impact, across 80 checks. The most urgent: fails Core Web Vitals for real visitors. Your full playbook turns these into prioritised fixes alongside reviews, competitors and channels.
- Homepage
- Phone render
- Links and pages
- Google PageSpeed
Google PageSpeed Insights (opens in a new tab), mobile
Site score
78CClosest competitors among SaaS websites
Compare side by sideShow as table
| Date | Real-visitor load time (LCP) |
|---|---|
| May 23, 2026 | 2.0 s |
| May 30, 2026 | 2.0 s |
| Jun 6, 2026 | 2.0 s |
| Jun 13, 2026 | 2.0 s |
| Jun 20, 2026 | 1.7 s |
| Jun 27, 2026 | 1.4 s |
| Jul 4, 2026 | 1.1 s |
| Jul 11, 2026 | 1.1 s |
| Jul 18, 2026 | 1.0 s |
| Jul 25, 2026 | 1.0 s |
| Aug 1, 2026 | 1.0 s |
| Aug 8, 2026 | 1.0 s |
| Aug 15, 2026 | 1.0 s |
| Aug 22, 2026 | 1.0 s |
| Aug 29, 2026 | 1.1 s |
| Sep 5, 2026 | 1.1 s |
| Sep 12, 2026 | 1.2 s |
| Sep 19, 2026 | 1.2 s |
| Sep 26, 2026 | 1.2 s |
| Oct 3, 2026 | 1.1 s |
| Oct 10, 2026 | 1.2 s |
| Oct 17, 2026 | 1.2 s |
| Oct 24, 2026 | 1.0 s |
| Oct 31, 2026 | 1.1 s |
| Nov 7, 2026 | 1.0 s |
Show as table
| Date | Real-visitor tap response (INP) |
|---|---|
| May 23, 2026 | 195 ms |
| May 30, 2026 | 187 ms |
| Jun 6, 2026 | 135 ms |
| Jun 13, 2026 | 120 ms |
| Jun 20, 2026 | 118 ms |
| Jun 27, 2026 | 129 ms |
| Jul 4, 2026 | 129 ms |
| Jul 11, 2026 | 129 ms |
| Jul 18, 2026 | 118 ms |
| Jul 25, 2026 | 104 ms |
| Aug 1, 2026 | 96 ms |
| Aug 8, 2026 | 97 ms |
| Aug 15, 2026 | 110 ms |
| Aug 22, 2026 | 114 ms |
| Aug 29, 2026 | 121 ms |
| Sep 5, 2026 | 125 ms |
| Sep 12, 2026 | 121 ms |
| Sep 19, 2026 | 127 ms |
| Sep 26, 2026 | 133 ms |
| Oct 3, 2026 | 121 ms |
| Oct 10, 2026 | 138 ms |
| Oct 17, 2026 | 128 ms |
| Oct 24, 2026 | 130 ms |
| Oct 31, 2026 | 136 ms |
| Nov 7, 2026 | 130 ms |
Chrome UX Report (opens in a new tab): real Chrome visitors over rolling 28-day periods.
One score from every part of this review. How it works
Speed
3,282 HTML elements
The page has 3,282 HTML elements. Above 1,500, rendering and every interaction get slower on phones.
Mobile performance score: 78
78/100Your mobile performance score is 78. Pages that score under 90 lose visitors before the first paint.
5 third-party services on the page
5 third-party services load with your homepage (Facebook, leadconnectorhq.com and Cloudflare and others), adding 1.7 MB and 235 ms of main-thread time.
leadconnectorhq.com adds 83 ms
83 msleadconnectorhq.com costs a phone 83 ms of main-thread work and 1.4 MB of downloads while your page loads. Loading it after the page is usable, or only on the pages that need it, takes that off the critical path.
Main-thread work: 2.0 s
A phone's processor spends 2.0 s on main-thread work while loading, 991 ms of it running JavaScript. Above 2 s, taps and scrolls feel sluggish.
8 long tasks on the main thread
8 long tasks block the main thread while loading, the longest for 244 ms. During a long task the page ignores taps.
Reduce unused JavaScript
237 KiBAbout 237 KiB of JavaScript is downloaded but never used on this page.
Use efficient cache lifetimes
211 KiB6 files are served with short cache lifetimes, so returning visitors download them again (211 KiB).
Improve image delivery
36 KiB2 images could be 36 KiB smaller with modern formats (WebP or AVIF) and sizes that fit a phone screen.
Reduce unused CSS
25 KiBAbout 25 KiB of CSS is downloaded but never applied on this page.
Legacy JavaScript
23 KiBPolyfills for old browsers add 23 KiB JavaScript that modern phones do not need.
Chained critical requests
Critical files load one after another instead of in parallel (3 chains). Preconnecting to key origins and preloading the hero image shortens the chain.
Forced reflow
Scripts make the browser recalculate the layout repeatedly while the page loads, which wastes processor time on phones.
Minify JavaScript
3 KiB3 KiB could be saved by minifying JavaScript.
1 checks passed
Server response: 17 ms
17 msYour server sent the HTML in 17 ms, well inside Google's 600 ms guideline.
Core Web Vitals
Fails Core Web Vitals for real visitors
Real Chrome users on phones do not pass Google's Core Web Vitals on this page (28-day field data from the Chrome UX Report (opens in a new tab)). Google uses this in ranking.
Time to Interactive: 10.5 s
10.5 sThe page becomes fully interactive after 10.5 s. Good is under 3.8 s.
Real-user CLS: 0.12
0.12For real visitors the layout shifts by 0.12 (75th percentile). Good is under 0.1.
58 images without width and height
58 images have no width and height attributes, so the layout jumps as each one loads.
Largest Contentful Paint: 3.6 s
3.6 sYour largest element takes 3.6 s to render on a phone. Google's threshold for “good” is 2.5 s. The largest element is the text “Build and Deploy AI Agents”.
Cumulative Layout Shift: 0.151
0.151The layout shifts by 0.151 while loading, so content jumps under the reader's thumb. Good is under 0.1.
Total Blocking Time: 242 ms
242 msScripts block taps and scrolling for 242 ms in total while the page loads. Good is under 200 ms.
First Contentful Paint: 1.8 s
1.8 sThe first text or image appears after 1.8 s on a phone. Good is under 1.8 s.
6 checks passed
Real-user LCP: 1.2 s
1.2 sReal visitors wait 1.2 s for the largest content to appear (75th percentile). Good is under 2.5 s.
Real-user FCP: 1.1 s
1.1 sReal visitors see the first content after 1.1 s (75th percentile). Good is under 1.8 s.
Real-user TTFB: 723 ms
723 msReal visitors wait 723 ms for your server to start answering (75th percentile). Good is under 800 ms.
Tap response (INP) got 30% faster for real visitors
-30%Over the last 25 four-week periods to 2026-11-07, real Chrome visitors' tap response (inp) went from 195 ms to 130 ms at the 75th percentile (Chrome UX Report (opens in a new tab) history).
Largest content (LCP) got 48% faster for real visitors
-48%Over the last 25 four-week periods to 2026-11-07, real Chrome visitors' largest content (lcp) went from 2.0 s to 1.0 s at the 75th percentile (Chrome UX Report (opens in a new tab) history).
Speed Index: 2.1 s
2.1 sVisually, the page fills in at 2.1 s (Speed Index), inside the 3.4 s “good” threshold.
Images and page weight
1 image over 500 KB
650ba542009f537737c51e52.svg+xml weighs 812 KiB. On a phone connection a single image that size takes seconds.
1 image far larger than shown
790 KiB1 image is downloaded at several times the size a phone draws it, for example 650ba542009f537737c51e52.svg+xml at 2,700 px wide, shown at 150 px. Resized copies would save about 790 KiB.
About 0.5 g of CO₂ per visit
0.54 gBy the Sustainable Web Design model, a visit to your homepage emits about 0.54 g of CO₂e: 64.3 kg a year at 10,000 visits a month. It scales with page weight, so every byte cut lowers it.
3 checks passed
Page weight: 1.9 MB in 84 requests
1.9 MBYour homepage downloads 1.9 MB in 84 requests on a phone: images 882 KiB (14), scripts 683 KiB (48) and HTML 197 KiB (2). That is a lean page.
Images use modern formats
Every sizeable image is WebP, AVIF or SVG.
Images load when needed
Images below the first screen wait until the visitor scrolls to them.
Accessibility
1 button without a name
1 button has no accessible name, so screen readers announce just “button”.
24 text elements with low contrast
24 text elements don't have enough contrast against the background to read easily, especially outdoors on a phone.
Links look like plain text
3 links inside paragraphs rely on colour alone to stand out.
All page content should be contained by landmarks (190 elements)
All page content should be contained by landmarks: 190 elements on the page fail this check, rated moderate by axe-core.
1 form field without a label
1 form field has no label, so screen readers announce an empty box and autofill guesses.
Headings skip levels
Headings skip levels (h1 → h3 and h2 → h4), which makes the page harder to scan with a screen reader.
2 checks passed
Every image has alt text
All 69 images in the HTML carry an alt attribute.
41 automated accessibility rules passed
axe-core 4.13.0, the open-source engine behind most accessibility testing tools, ran 46 WCAG 2.2 A/AA and best-practice rules on the phone render: 41 passed and 5 failed. 1 more need a person to judge. Automated rules catch about a third of accessibility problems; the rest need manual testing.
SEO
No structured data
No structured data (JSON-LD), so Google can't show rich results such as your logo, ratings or FAQs.
12 H1 headlines
There are 12 <h1> headlines (“Build and DeployAI Agents”, “AI Agents Across Every Channel” and “White Label AI Voice Agents”). One clear main headline is easier for people and search engines.
No canonical URL
No canonical URL, so duplicate versions of the homepage (with or without www, with tracking parameters) can split ranking signals.
34 internal links, 24 external
The homepage links to 34 pages on stammer.ai and 24 external pages.
5 checks passed
Meta description: 122 characters
Your meta description is 122 characters: “Build white label AI chatbots and AI voice agents that can answer questions, generate leads, schedule appointments & mo…”.
Title: 51 characters
Your title is a healthy 51 characters: “White Label AI Agents for Chat & Voice | Stammer AI”.
Open Graph tags complete
Open Graph tags are complete, so shared links show a title, description and image.
robots.txt in place
robots.txt is in place.
XML sitemap found
Your XML sitemap is reachable at https://stammer.ai/sitemap.xml.
AI search readiness
No Organization structured data
There is no Organization (or LocalBusiness) JSON-LD, so search engines and AI assistants have no machine-readable facts about who runs the site: its name, logo, profiles and contact details.
3 checks passed
AI answer engines may read the site
Your robots.txt lets the crawlers behind ChatGPT search, Claude and Perplexity read the site and cite it in answers.
Text is in the HTML
Your server sends the page's text in the HTML (2,676 words), so crawlers that don't run JavaScript still read it.
llms.txt published
The site publishes https://stammer.ai/llms.txt (6 KiB, 15 links), a plain-text guide to the site for AI tools.
Other pages
1 linked page is broken
Your homepage links to https://stammer.ai/affiliate, which answers with an error. Visitors hit a dead end and search engines drop it.
1 page without a title
https://stammer.ai/enterprise has no <title>, so Google invents the link text in results.
1 linked page hidden from search
https://stammer.ai/enterprise is marked noindex but linked from your homepage. If it is meant to be found, remove the noindex.
2 pages without a meta description
https://stammer.ai/course and https://stammer.ai/enterprise have no meta description, so Google writes the search snippet from whatever text it finds.
2 pages share a meta description
https://stammer.ai/ai-agency and https://stammer.ai/lead-generation use the same meta description. A description written for each page earns more clicks.
4 pages without an H1
https://stammer.ai/pricing, https://stammer.ai/daily-support-call, https://stammer.ai/course and https://stammer.ai/enterprise have no <h1> headline, so visitors and search engines get no clear main topic.
15 internal pages checked
We fetched 15 pages linked from your homepage (of 26 found) and read each the way a search engine does.
2 checks passed
Canonical URLs point to themselves
No page we checked hands its ranking to a different URL.
Titles are unique
Every page we checked has its own title.
Best practices
1 small tap target
1 of 5 tappable elements near the top of the page is smaller than 24 px, hard to hit with a thumb.
2 checks passed
No console errors
No JavaScript errors were logged while the page loaded on a phone.
Mobile viewport set
The page declares a mobile viewport.
Content and conversion
No direct contact details
No phone number or email link on the homepage, so ready-to-buy visitors have one fewer way to reach you.
No form on the homepage
There is no form on the homepage, so every lead has to click through to another page first.
No risk reducer
No guarantee or risk reducer (money-back, free trial, no credit card) is mentioned, which is often what tips a hesitant visitor.
About 2,192 words of copy
The homepage carries about 2,192 words of visible text.
4 checks passed
Clear next step on the first screen
On a phone, the first screen shows a clear next step: “Get Started 👉”.
16 calls to action
The homepage has 16 calls to action, for example “Pricing”, “Try for Free” and “Get Started 👉”.
Social proof on the page
Social proof on the homepage: 23 testimonial or review blocks and 4 trust badges.
Analytics in place
Analytics detected: Meta Pixel and Cloudflare Web Analytics.
Privacy and tracking
1 tracker load before any consent
1Before a visitor clicks anything, the page loads Meta Pixel (measured from a US location before any click). No consent tool was detected. Visitors from the EU, UK and several US states must be asked first.
7 cookies set on arrival
7Opening the homepage sets 7 cookies, 3 of them by other companies (measured from a US location before any click).
No consent tool detected
No known cookie consent tool loads with the page. Some sites build their own banner, and some only show one to visitors from the EU.
10 other companies contacted
Loading the homepage contacts 10 hosts run by other companies (fonts, scripts, analytics, ads), each of which sees the visitor's IP address.
Security, domain, email and software versions
The security, domain and email checks, software and plugin versions, and any app with a known security problem are visible only to people at stammer.ai, because details like these could help someone attack a site. Every review keeps them private, whatever they found.
Upkeep, stack and company
Stack
- Hosting
- Cloudflare
Upkeep, stack, hiring and company data from programmable.info
Go beyond the website
What your $25 Growth Playbook adds
This review found 33 issues on stammer.ai, including 13 speed issues, 3 SEO issues and 1 conversion gap. That is the website alone. The full Growth Playbook pairs these findings with what your customers say in public reviews and communities and what your closest competitors do better, then turns everything into at least 20 prioritised ideas, each with the evidence behind it, a step-by-step playbook, a metric and an owner.
- 28 research agents read your site, reviews, competitors, communities and public filings
- Customer review mining (G2, Capterra, Trustpilot and more) and voice-of-pain analysis in your buyers’ own words
- Competitor intelligence with battlecards for your closest rivals
- Ideal customer profile, buyer segments and buying-stage funnel
- Ranked channels, outreach sequences and content angles
- Live Reddit threads where buyers ask for what you sell, with draft replies
- Earned media and PR openings
- At least 20 ideas with evidence, a step-by-step playbook, metric, owner, effort and impact, grouped into this week, this quarter, big bets and wildcards, plus a 30/60/90-day roadmap
- PDF, Markdown, CSV, Notion and Linear exports, and a shareable page your team can track progress on
- Refresh the playbook later to see what changed
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